add unittest for #24
fix #24
Merge pull request #25 from paulstaab/fix_issue_24

Fix issue 24
update profiling script
replace authors with authors@R
increase version number
save positions as attr instead of colnames
improve error message
improve coding style
add positions to empty seg-gen segsites
improve code formatting
parse trees into separate file
made ms simulate loci one by one
replace subgroups by inter_locus_varation
implement inter-locus-var for msms
add separate parser for seqgen
fix seqgen simulation
remove unit tests for subgroups
limit inter_locus_variation to once per model
deactivated trios tests